甲、乙、丙三位工人共制作2050个零件,已知甲和乙制作的零件个数比是5:3,乙和丙制作的零件个数比是4:3,三位工人各制作多少个零件?
The price system is a complex network composed of the prices of all the products bought and sold in the economy as well as of a great number of services.
填在下面各正方形中的四个数之间都有相同的规律,根据这种规律,m的值应是( )